In 2008 and 2009, the Penn State Southeast Research and Extension Center (SEAREC) near Lancaster, PA and the Franklin County Horticulture Education Center in Chambersburg, PA hosted extensive trial plantings of fruiting vegetables in containers. This program was in response to increased consumer interest in vegetable gardening coupled with many years of related interest in ornamental container planters. Seeds for the trial were purchased from most of the major seed companies. Any tomato, pepper, eggplant, cucumber, or squash that was described in company catalogs or on seed packages in garden stores as ideal for containers or compact was eligible and included in this program. CONTINUE
SOURCE: https://extension.psu.edu/general-recommendations-for-growing-vegetables-in-containers